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  1. #1

    Question VLADISR

    Hello everyone. I need your help! I have 2004 yamaha gp800r. Engine starts and runnihg perfect out of water with a water hose attached. But when i go into the water, rpm doesn't go more than 4000, very, very low speed. Check under the jet ski,.clear...etc. My tech. Not sure, some one told me it's a huge possibility i have a problem with exhaust temperature sensor??? I need your help, please!!!

  2. #2
    SHOBiz's Avatar
    Join Date
    Jul 2008
    Wylie, Texas
    This is a project?

    You might get more help posting in the 2 stroke section.

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